Home / 278,157.44-416,807.04-187,846.40

Finding the Fourth Proportional to 278,157.44, 416,807.04 and 187,846.40

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Solution

The fourth proportional to 278,157.44, 416,807.04 and 187,846.40 is: 281,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,157.44 : 416,807.04 = 187,846.40 : x
  2. Step 2: Convert to fraction form
    278,157.44/416,807.04 = 187,846.40/x
  3. Step 3: Cross multiply
    278,157.44x = 416,807.04 × 187,846.40
  4. Step 4: Simplify right side
    278,157.44x = 78,295,701,958.66
  5. Step 5: Solve for x
    x = 78,295,701,958.66/278,157.44
  6. Step 6: Final answer
    x = 281,479.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.